The discourse made before the Royal Society the 26 of November 1674. Concerning the use of duplicate proportion in sundry important particulars together with a new hypothesis of springing or elastique motions / By Sir William Petty.

  • William Petty
Date:
1674
Catalogue details

Licence: Public Domain Mark

Credit: The discourse made before the Royal Society the 26 of November 1674. Concerning the use of duplicate proportion in sundry important particulars together with a new hypothesis of springing or elastique motions / By Sir William Petty. Source: Wellcome Collection.

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    [97 J '@th of above 330 Souls; “ll which particular Ages liking caft up, and added ‘Mpeether,and the Sum divi- § ied by the whole number of |] '@>uls, made the Quotient | ‘li@tween1g and 16; which m@rall Citic be Conftant or ‘§niform) the Age of that arith, or numerous Index if Longevity there, Many § ul which Indexes for feve~ 9 il times and places, would Make an uteful Scale of Sa- Mbrity for thofe places;and better Judg of Ayres than the